The collodion process is an early photographic process for the production of grayscale images. The collodion process – mostly synonymized with the term "wet-plate process", requires the photographic material to be coated, sensitized, exposed, and developed within the span of about fifteen minutes, necessitating a portable darkroom for use in the field.
The collodion process is an early photographic process for the production of grayscale images. The collodion process – mostly synonymized with the term "wet-plate process", requires the photographic material to be coated, sensitized, exposed, and developed within the span of about fifteen minutes, necessitating a portable darkroom for use in the field.
Source: Wikipedia "Collodion process" · CC BY-SA 4.0
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